code: def test():
      model.eval()
      z = model()
      acc = model.test(
          train_z=z[data.train_mask],
          train_y=data.y[data.train_mask],
          test_z=z[data.test_mask],
          test_y=data.y[data.test_mask],
          max_iter=150,
      )
      return acc
  
file_path: pytorch_geometric/examples/node2vec.py
imports: import os.path
  import sys
  import matplotlib.pyplot
  import torch
  from sklearn.manifold import TSNE
  from torch_geometric.datasets import Planetoid
  from torch_geometric.nn import Node2Vec
label_desc: Use image node_id 2 for calling a global function with example usage: test() and returns: acc